﻿<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>跟随鼠标的魔法文字</title>
    <script type="text/javascript">
        var msg='看的见我的漂移吗？';
        var msgColor='000000'
        var dismissafter=0
        var amount=5,ypos=0,xpos=0,Ay=0,Ax=0,By=0,Bx=0,Cy=0,Cx=0,Dy=0,Dx=0,Ey=0,Ex=0;
        if (document.layers){   //netscape下
            for (i = 0; i < amount; i++)
            {document.write('<layer name=ns'+i+' top=0 left=0><font face="宋体" size=2 color='+msgColor+'>'+msg+'</font></layer>')}
            window.captureEvents(Event.MOUSEMOVE);
            function nsmouse(evnt)    //通过鼠标事件，获取鼠标的坐标
            {xpos = evnt.pageX;ypos = evnt.pageY;mouseFollow()}
        }
        else if (document.all){ //ie下-输出层
            document.write("<div id='outer' style='position:absolute;top:0px;left:0px'>");
            document.write("<div id='inner' style='position:relative'>");
            for (i = 0; i < amount; i++)
            {document.write('<div id="text"'+i+' style="position:absolute;top:0px;left:0px;font-family:Courier New;font-size:16px;color:'+msgColor+'">'+msg+'</div>')}
            document.write("</div>");
            document.write("</div>");
            function iemouse()  //通过鼠标事件，获取鼠标的坐标
            {ypos = document.body.scrollTop + event.y;xpos = document.body.scrollLeft + event.x;mouseFollow()}
        }
        function mouseFollow(){
            if (document.layers){//netscape下-设置层的位置
                document.layers["ns0"].top=ay;document.layers["ns0"].left=ax;
                document.layers["ns1"].top=by;document.layers["ns1"].left=bx;
                document.layers["ns2"].top=cy;document.layers["ns2"].left=cx;
                document.layers["ns3"].top=Dy;document.layers["ns3"].left=Dx;
                document.layers["ns4"].top=Ey;document.layers["ns4"].left=Ex;
            }
            else if (document.all){//ie下，设置层的位置
                outer.all.inner.all[0].style.pixelTop=ay;outer.all.inner.all[0].style.pixelLeft=ax;
                outer.all.inner.all[1].style.pixelTop=by;outer.all.inner.all[1].style.pixelLeft=bx;
                outer.all.inner.all[2].style.pixelTop=cy;outer.all.inner.all[2].style.pixelLeft=cx;
                outer.all.inner.all[3].style.pixelTop=Dy;outer.all.inner.all[3].style.pixelLeft=Dx;
                outer.all.inner.all[4].style.pixelTop=Ey;outer.all.inner.all[4].style.pixelLeft=Ex;
            }
        }
        function move(){
            if (dismissafter!=0)
                setTimeout("hideMove()",dismissafter*1000)
            if (document.layers){window.onMouseMove = nsmouse}
            else if (document.all){window.document.onmousemove = iemouse}  //绑定鼠标事件
            ey = Math.round(Ey+=((ypos+20)-Ey)*2/2);ex = Math.round(Ex+=((xpos+20)-Ex)*2/2);
            dy = Math.round(Dy+=(ey - Dy)*2/4);dx = Math.round(Dx+=(ex - Dx)*2/4);
            cy = Math.round(Cy+=(dy - Cy)*2/6);cx = Math.round(Cx+=(dx - Cx)*2/6);
            by = Math.round(By+=(cy - By)*2/8);bx = Math.round(Bx+=(cx - Bx)*2/8);
            ay = Math.round(Ay+= (by - Ay)*2/10);ax = Math.round(Ax+= (bx - Ax)*2/10);
            mouseFollow();
            jumpstart=setTimeout('move()',10);                          //定时执行捕获操作
        }
        function hideMove(){
            if (document.all){   //ie浏览器的情况下
                for (i2=0;i2<amount;i2++){
                    outer.all.inner.all[i2].style.visibility="hidden" //设置为隐藏
                    clearTimeout(jumpstart)                           //清除定时器
                }
            }
            else if (document.layers){   //netscape浏览器的情况下
                for (i2=0;i2<amount;i2++){
                    temp="ns"+i2
                    document.layers[temp].visibility="hide"
                    clearTimeout(jumpstart)
                }
            }
        }
        window.onload=move;   //窗体一加载便触发飘移方法
    </script>
</head>
<body>

</body>
</html>